Thermaltake Toughpower GX3 SE 750W ATX 3.1 PCIe Gen 5.1 80+ Gold PSU

Toughpower GX3 SE 750W

ATX 3.1 Ready

Fully compatible with Intel ATX 3.1 specifications, the Toughpower GX3 SE 750W is designed to support modern systems and next-generation hardware with stable, efficient power delivery.

PCIe Gen 5.1 Native Connector

The native PCIe Gen 5.1 12+4-pin (12V-2x6) connector supports next-generation graphics cards with reliable power delivery.

High-Amperage +12V Rail and DC-to-DC Design

A single +12V rail combined with DC-to-DC conversion provides stable power for demanding CPU and GPU workloads.

AC Input

Input voltage: 200–240V~
Input current: 6A maximum
Frequency: 50Hz/60Hz

DC Output

+3.3V: 18A
+5V: 18A
+12V: 62.5A
−12V: 0.3A
+5VSB: 3A
Combined +3.3V and +5V output: up to 110W
+12V output: up to 750W
−12V output: up to 3.6W
+5VSB output: up to 15W
Total power: 750W

Low-Profile Flat Black Cables

Low-profile flat black cables simplify routing and help keep system builds neat.

Connectors and Cable Lengths

Main power (24-pin): one connector, one cable, 500mm
ATX 12V (4+4-pin): two connectors, two cables, 600mm each
PCIe (6+2-pin): four connectors, two cables, 500mm + 150mm each
PCIe (12+4-pin, 600W): one connector, one cable, 600mm
SATA (4-pin): three connectors, one cable, 450mm + 150mm + 150mm + 150mm
Peripheral (4-pin): one connector

Industry-Grade Safety Protections

Built-in protections include Over Current Protection (OCP), Over Voltage Protection (OVP), Under Voltage Protection (UVP), Over Power Protection (OPP), Over Temperature Protection (OTP), and Short Circuit Protection (SCP).

80 PLUS 230V EU Gold Efficiency

Certified for 80 PLUS 230V EU Gold efficiency, delivering up to 90% efficiency under typical loads to help reduce energy use and heat.

Ultra-Quiet 120mm Cooling Fan

A 120mm fluid bearing fan provides airflow and cooling while maintaining low noise levels.

Compact 140mm Depth

With a depth of 140mm, the GX3 SE 750W fits in a wide range of ATX cases.